Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Blinding

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.

Blind Procedures

Blind Procedures

Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which child was...

Masking and Demasking Agents

Masking and Demasking Agents

EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Potentiated Maturation of hPSC-Derived Dopaminergic Neurons via Convergent Genetic and Small Molecule Modulation.

Tissue engineering and regenerative medicine·2026

Same author

Lower extremity muscle activation patterns during running in individuals with and without anterior cruciate ligament reconstruction.

Clinical biomechanics (Bristol, Avon)·2026

Same author

Protocol for formulation and evaluation of phytosterol-based lipid nanoparticles as cholesterol alternatives for mRNA delivery.

STAR protocols·2026

Same author

Retinoic acid signaling regulates astrocyte reactivity by modulating MAPK/NF-κB pathways and mitochondrial integrity.

Neurochemistry international·2026

Same author

In Situ Transmission Electron Microscopy Visualization of Electric-Field-Induced Phase Transitions at the Morphotropic Phase Boundary in Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub>.

ACS nano·2026

Same author

Benchmarking Open-Source Vision Language Models in Orthopedic In-Training Examination: A Comparison with Residents, Domain-Specific Evaluation, and Parameter Scaling.

Clinics in orthopedic surgery·2026

Same journal

High-resolution depth estimation for multiple wideband sources in deep sea via sparse Bayesian learninga).

The Journal of the Acoustical Society of America·2026

Same journal

Depression markers in speech: An approach based on tract variables dynamics.

The Journal of the Acoustical Society of America·2026

Same journal

The oyster toadfish (Opsanus tau) alters active and diurnal calling amid vessel noise in New York City.

The Journal of the Acoustical Society of America·2026

Same journal

Experimental noise characterisation of phase-locked tandem-rotor in edgewise flight.

The Journal of the Acoustical Society of America·2026

Same journal

The tune-text-temporal synergy: Prosodic effects of final segmental weakening in Neapolitan.

The Journal of the Acoustical Society of America·2026

Same journal

Monitoring vessel movement above critical offshore infrastructure using distributed acoustic sensing.

The Journal of the Acoustical Society of America·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 13, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Blind binary masking for reverberation suppression in cochlear implants.

Oldooz Hazrati¹, Jaewook Lee, Philipos C Loizou

¹Department of Electrical Engineering, The University of Texas at Dallas, Richardson, Texas 75080, USA. hazrati@utdallas.edu

The Journal of the Acoustical Society of America

|March 8, 2013

Summary

This summary is machine-generated.

This study introduces a novel time-frequency (T-F) masking method to reduce reverberation in speech. The technique significantly improves speech intelligibility for cochlear implant users in challenging acoustic environments.

More Related Videos

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

Related Experiment Videos

Last Updated: May 13, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

Area of Science:

Acoustics
Signal Processing
Speech Communication

Background:

Reverberation severely degrades speech intelligibility, particularly for individuals with hearing impairments.
Existing methods struggle to effectively mitigate the smearing of speech cues caused by reverberation.

Purpose of the Study:

To propose and evaluate a monaural binary time-frequency (T-F) masking technique for reverberation suppression.
To assess the effectiveness of this technique in improving speech intelligibility for cochlear implant users.

Main Methods:

A variance-based feature was extracted from reverberant signals for each T-F unit.
An adaptive threshold was used to estimate a binary mask for T-F units.
Intelligibility listening tests were conducted with cochlear implant users in various reverberant conditions (T60 = 0.3, 0.6, 0.8 s).

Main Results:

The proposed T-F masking technique demonstrated significant improvements in speech intelligibility.
These improvements were observed even in high reverberation conditions (T60 = 0.8 s).

Conclusions:

The developed T-F masking method effectively suppresses reverberation.
The technique shows promise for enhancing speech perception in challenging acoustic environments, potentially by restoring vowel/consonant boundaries.